Weather on April 21
Billings, MT
55 Years of Data
Avg High
64°F
Avg Low
34°F
Warmest
1980
65°F avg
Coldest
2008
26°F avg
About This Date
April 21st in Billings, MT typically brings mild spring weather, with average highs around 64°F and lows near 34°F — a 30°F daily swing. Over 55 years of records, the warmest April 21st was in 1980 (65°F average), while the coldest was 2008 (26°F) — a 39°F range across recorded history. Precipitation has occurred on 29% of recorded April 21st dates, with snow falling 2% of the time (heaviest snowfall: 2"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Billings, MT? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 39° | 52° | 0.46" | — |
| 2024 | 68° | 29° | 49° | — | — |
| 2023 | 43° | 22° | 32° | — | — |
| 2022 | 57° | 29° | 43° | — | — |
| 2021 | 43° | 21° | 32° | — | — |
| 2020 | 67° | 34° | 50° | — | — |
| 2019 | 64° | 43° | 53° | 1.35" | — |
| 2018 | 67° | 34° | 50° | — | — |
| 2017 | 67° | 44° | 55° | — | — |
| 2016 | 70° | 38° | 54° | — | — |
| 2015 | 62° | 35° | 49° | — | — |
| 2014 | 70° | 32° | 51° | — | — |
| 2013 | 64° | 30° | 47° | 0.03" | — |
| 2012 | 75° | 50° | 63° | — | — |
| 2011 | 63° | 26° | 44° | — | — |
| 2010 | 73° | 45° | 59° | — | — |
| 2009 | 80° | 41° | 61° | — | — |
| 2008coldest | 42° | 11° | 26° | 0.15" | — |
| 2007 | 58° | 38° | 48° | — | — |
| 2006 | 77° | 33° | 55° | — | — |
| 2005 | 38° | 34° | 36° | 0.74" | 2" |
| 2004 | 65° | 33° | 49° | — | — |
| 2003 | 74° | 39° | 56° | — | — |
| 2002 | 57° | 29° | 43° | 0.03" | — |
| 2001 | 44° | 33° | 39° | 0.79" | — |
| 2000 | — | 41° | — | — | — |
| 1999 | 58° | 37° | 47° | 0.97" | — |
| 1998 | 69° | 31° | 50° | — | — |
| 1997 | 67° | 42° | 54° | 0.46" | — |
| 1996 | 58° | 36° | 47° | 0.71" | — |
| 1995 | 55° | 34° | 44° | 0.18" | — |
| 1994 | 80° | 46° | 63° | — | — |
| 1993 | 71° | 38° | 54° | — | — |
| 1992 | 68° | 33° | 51° | — | — |
| 1991 | 65° | 27° | 46° | — | — |
| 1990 | 82° | 45° | 63° | — | — |
| 1989 | 86° | 40° | 63° | — | — |
| 1988 | 40° | 37° | 38° | 0.1" | — |
| 1987 | 74° | 31° | 52° | — | — |
| 1986 | 75° | 45° | 60° | — | — |
| 1985 | 54° | 26° | 40° | — | — |
| 1984 | 63° | 32° | 47° | — | — |
| 1983 | 73° | 37° | 55° | — | — |
| 1982 | 65° | 22° | 43° | — | — |
| 1981 | 69° | 49° | 59° | — | — |
| 1980warmest | 90° | 41° | 65° | — | — |
| 1979 | 61° | 34° | 47° | 0.05" | — |
| 1978 | 61° | 30° | 45° | — | — |
| 1977 | 70° | 27° | 48° | — | — |
| 1976 | 57° | 37° | 47° | 0.38" | — |
| 1975 | 65° | 18° | 41° | — | — |
| 1974 | 58° | 37° | 47° | 0.08" | — |
| 1973 | 47° | 23° | 35° | — | — |
| 1972 | 66° | 28° | 47° | — | — |
| 1971 | 48° | 39° | 44° | 0.43" | — |
55 years of data from BILLINGS WTP